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On the top of the EM10 III you’ll find a small popup flash, rated at a Guide Number of 8.2 at 200 ISO, along with a hotshoe to mount external flashguns. Other cameras in its class are also equipped with popup flashes and while they’re all small, I still find them useful for close-range use or fill-ins. I miss their absence on higher-end models like the OMD EM5 Mark II. With dimensions of 121.7 x 84.6 x 49mm, it's virtually identical in size to the previous 3-year-old E-M10 III camera, but weighs a little less at 383g including the supplied battery and a memory card, versus 410g for the Mark III. On the day, I found I needed a shutter of just over 1/50 to handhold this lens without shake. With the stabilisation enabled, I could match the result a little slower than 1/6, corresponding to around 3.5 stops of compensation. Scale this to wide angle lenses and you can find yourself handholding shots approaching one second without shake, allowing you to shoot in low light without opening the aperture or bumping-up the ISO. As expected, this roughly matches the performance I measured from the OMD EM1 and is slightly-bettered only by the EM1 Mark II and EM5 Mark II.
Olympus OM-D E-M10 Review | Trusted Reviews
The 3-inch 4:3 aspect ratio LCD screen has a resolution of 1.037million dots, exactly the same specification as the E-M10 III. Our signal to noise test measures image clarity, specifically the ratio of the actual image 'data' you want to capture, versus the image noise that you don't want, but will inevitably be visible when shooting at higher ISO sensitivities.The higher the score at a given ISO sensitivity, the better.
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The EVF also benefits from the addition of Adaptive Brightness Control, which contributes to an improved viewing experience, and it also “gains up” in low light, making it arguably more usable than an optical finder. While the E-M10 II is generally very responsive, I had an occasional problem – as with the E-M5 Mark II – where pressing the info button didn’t actually toggle through all the options, skipping the histogram and level views.
Olympus OM-D E-M10 Review - Digital Photography Review
The E-M10 Mark IV can also use its excellent 5-axis sensor-shift image stabiliser when shooting movies, which translates into very smooth hand-held footage, even when using longer telephoto lenses.The E-M10 Mark IV certainly delivers in terms of focusing speed and perhaps more importantly accuracy too, with very few false positives in the Single AF mode. It is, though, a different story for stills. We were really impressed with this camera's basic kit lens – its 14-42mm pancake lens option is a fantastic starting place for someone upgrading from a phone. One of the key new features for the Olympus OM-D E-M10 Mark IV is the welcome addition of a 20MP Live MOS sensor, which is a boost from the previous generation’s 16MP sensor. This brings the E-M10 series in line with the latest versions of the E-M5 and E-M1 series, which are both also using 20MP sensors. Although the E-M10 III is the entry level to the OM-D series, it's a distinctly mid-level camera. Its profusion of direct controls make it a camera with plenty of space to grow into and, even with the work done to ease access to its full set of features, it still feels like a camera aimed at people who want to do a lot more than just point and shoot. Unfortunately the E-M10 Mark IV still doesn't combine the shots either in-camera or in the supplied Olympus software, so you'll need to use Photoshop or a specialized software program like Helicon Focus to combine all of the shots into one image.
Olympus OM-D E-M10 Mark II review | TechRadar Olympus OM-D E-M10 Mark II review | TechRadar
The sequence below is typical of a cyclist approaching at fairly modest speed. I set the camera to continuous low speed and fired-off 11 frames in just under three seconds, but only the last three were in focus; I’ve pictured them below. Considering I set the camera to its slower speed and the subject wasn’t particularly demanding, this isn’t a great result. The automatic white balance and metering systems give a good account of themselves, delivering the colours and exposures that you’d expect in any given situation. The rear screen can now be tilted down by 180-degrees to face forwards when holding the camera in selfie mode, which makes it a lot more suitable for vlogging. Embedded in the top of the rear thumb-grip is the customisable Function 1 button, which now also usefully doubles up as the AEL/AFL button. It would also be nice if Olympus made more use of the camera’s touch control system, so it can be used with more of the Super Control Panel and the main menu.
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Shooting modes include Aperture priority, Art Filter, Manual, Program and Shutter priority, while one-shot echo and multiecho effects can be added to movies. There's also the ability to capture high-speed VGA footage at 120fps. While shooting raw and creating a video afterwards on your PC gives you more control over grading, sharpening etc., the in-camera option is nice to have when shooting JPEG or raw+JPEG, as it is obviously much faster. The number of selectable contrast AF points is the same 121 in a 11x11 grid. Low-light auto focus continues to be excellent – the system managed to focus down to -2EV (as long as there was something to focus on) even without the use of the focus assist lamp. This is seriously low light, about the same as a landscape lit only by moonlight and nothing else. The E-M10 Mark IV is powered by a TruePic VIII imaging processor, which works to deliver reduced noise in images captured in low light and has a native ISO sensitivity range of ISO 200-6400. This can be expanded to ISO 80 (LO) and ISO 25,600 (HI), but you’d be wiser to take advantage of the camera’s quality five-axis in-body image stabilization system (IBIS) before you crank the ISO up to those numbers. Beyond the attempts to make the E-M10 III and its more specialized photographic modes easier to use, a more powerful processor brings 4K video shooting. Impressively, the camera is able to offer a combination of mechanical and digital stabilization in 4K mode (most cameras can only digitally stabilize 1080), giving uncannily smooth footage, even when moving the camera around.
Olympus OM-D E-M10 - Wikipedia Olympus OM-D E-M10 - Wikipedia
There’s the choice of two stabilisation modes: MIS-1 uses both sensor-shift and additional electronic stabilisation with a mild crop as a result, while MIS-2 uses sensor-shift only with no reduction in the field-of-view. So when shooting movies in MIS-2 (or no stabilisation) in any quality, you’ll enjoy the full horizontal coverage of your lenses, albeit with a vertical crop for the 16:9 shape. Note the movie stabilisation options are set separately to the still photo stabilisation options. Looking through that list, you'll see that the E-M10 is essentially an un-weather-sealed E-M5 but with a better rear screen and the ability to easily send images off to a smart device. And, in use, that's a pretty accurate way of looking at things. But just looking at what's new or different risks downplaying how much is carried over from the E-M5. The camera’s battery is rated to around 360 shots and under 30 minutes of video. This is typical for cameras in this class and at this price point. In use, we found it got us through a day of walking around, with it powering down into battery saver mode. Although a direct comparison can’t be made due to the sensor sizes of DSLRs, the E-M10 might make a compelling consideration for those who may be comparing it to the likes of the Nikon D3300 and D5300, Canon 100D and 1200D, and Pentax K50.
Conclusion
Keep in mind that the E-M10 IV is still using a contrast-detect AF system, so there can still be noticeable 'hunting' in some situations as it tries it fine-tune focus. We didn't find it too distracting though, even in 4K video capture. Flip-down LCD and selfies Manual exposure can be enabled for videos, although you do have to rotate the mode dial to the Movie position to take advantage of this. (You can start filming in practically any other shooting mode too, but in that case, videos will always be recorded with auto exposure, and curiously only at 1080p, not 4K) The button at the top-left is a shortcut button, which opens the Live Control or Super Control Panel (more on those later), the red one is for video recording, and the one with the magnifying glass turns on a 2X 'digital teleconverter'. Panasonic also employs a 100% contrast-based AF system, but enhances its performance by profiling the blurred characteristics of its lenses to better-know how to focus. This DFD technology certainly improves the performance, but still can’t match the confidence of the phase-detect AF systems now being embedded into most of the sensors used by the competition. Buy a modern Sony, Fujifilm or Canon mirrorless camera and you’ll enjoy the benefits of phase-detect autofocus and its ability to continuously autofocus on moving subjects with ease. Olympus also offers phase-detect AF, but only on the flagship EM1 series. But if you want an all-rounder that's as compact and light as possible, offers access to a vast selection of lenses and courtesy of in-body stabilization, can ensure they're all hand-holdable to boot... well, the Olympus E-M10 IV is definitely worthy of a closer look.
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